This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 424613422900 Top Depth: 9600 Ft. Bottom Depth: 12000 Ft. lease_name: HALFF 12 #1 reservoir_name: W/C operator_name: COX, JOHN L log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Upton